//***javabean的学习***

class Student {
    private String name;
    private int age;

    public Student() {}

    public Student(String name, int age) {
        this.name = name;
        this.age = age;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public int getAge() {
        return age;
    }

    public void setAge(int age) {
        this.age = age;
    }
}

public class Javabea {
    public static void main(String[] args) {
        Student student = new Student("张三", 18);
        System.out.println("姓名: " + student.getName());
        System.out.println("年龄: " + student.getAge());

        student.setAge(19);
        System.out.println("更新后的年龄: " + student.getAge());
    }
}
